baber/WOPTO huggingface dataset:
Patent GB-616997-A (GB)
Title: Improvements in or relating to toy aircraft
IPC: A63H27/04
Filed: 1946-09-30
Abstract: 616,997. Toy aircraft. DAY, J. A. J. Sept. 30, 1946, No. 29103. [Class 4] A toy aircraft is propelled by an air turbine supplied by a hand, foot or motor-operated bellows. Fig. 3 shows a model aeroplane in which the turbine 1 is directly coupled to the propeller shaft 4 and is connected to the bellows 9 by a pipe 7 fitted with a non-return valve 9*. A quick-release joint 8 may be provided to enable the pipe 7 to be uncoupled when the model reaches a sufficient height, or when the propeller speed is sufficiently high. In the model helicopter shown in Fig. 4, the turbine 1 is connected to a reservoir 13 in the fuselage, the reservoir being charged by the bellows 9. The air passes to the turbine through a slow release valve 14. The reservoir may be made of elastic material, while the drive between the propeller and turbine, instead of being direct, may be through gearing, belt and pulleys, or the like.
Patent GB-998186-A (GB)
Title: Process of maintaining the activity and/or regenerating the activity of used or spent acid activated montmorillonite catalyst
IPC: B01J21/20
Filed: 1961-08-11
Abstract: Acid activated clay catalysts (bentonite or montmorillonite) used in the alkylation of phenols with olefinic hydrocarbons are reactivated by separating the catalyst and treating with a compound which may be an olefinic hydrocarbon of 3-18 carbon atoms, an alkyl alcohol of 1-6 carbon atoms, ketones of 3-11 carbon atoms, ethers of 6-10 carbon atoms, esters of alkyl alcohols of 1-6 carbon atoms with saturated and unsaturated organic mono-carboxylic acids of 2-17 carbon atoms, or organic acids of 2-3 carbon atoms at a temperature ranging from ambient to 200 DEG  C. Alternatively the catalyst may be regenerated in situ by adding one of the above compounds near the completion of the alkylation process and further treating at 70-150 DEG  C. for 10-20 minutes.ALSO:In the alkylation of phenolic compounds with olefinic hydrocarbons using acid activated clay catalysts (bentonite or montmorillonite) the activity of the catalyst is maintained by separating the catalyst and treating with a compound which may be an olefinic hydrocarbon of 3-18 carbon atoms, an alkyl alcohol of 1-6 carbon atoms, ketones of 3-11 carbon atoms, ethers of 6-10 carbon atoms, esters of alkyl alcohols of 1-6 carbon atoms with saturated and unsaturated organic mono-carboxylic acids of 2-17 carbon atoms, or organic acids of 2-3 carbon atoms at a temperature ranging from ambient to 200 DEG  C.  A modification of the process comprises the addition of one of the above compounds to the reaction vessel near the completion of the reaction followed by heating at 70-150 DEG  C. for 10-20 minutes.ALSO:Acid activated clay catalysts (bentonite or montmorillonite) used in the alkylation of phenols with olefinic hydrocarbons are reactivated by separating the catalyst and treating with a compound which may be an olefinic hydrocrabon of 3-18 carbon atoms, an alkyl alcohol of 1-6 carbon atoms, ketones of 3-11 carbon atoms, ethers of 6-10 carbon atoms, esters of alkyl alcohols of 1-6 carbon atoms with saturated and unsaturated organic monocarboxylic acids of 2-17 carbon atoms, or organic acids of 2-3 carbon atoms at a temperature ranging from ambient to 200  DEG C.  A modification of the process comprises the regeneration of the catalyst in situ by adding one of the above compounds to the reaction vessel near the completion of the alkylation and further treating at 70-150  DEG C. for 10-20 minutes.
Patent GB-1183536-A (GB)
Title: Improvements in or relating to Internal Combustion Engines
IPC: F02B75/22
Filed: 1967-06-23
Abstract: 1,183,536. Treating charge and purifying exhaust gases. ATLANTIC RICHFIELD CO. June 23, 1967 [June 30, 1966], No.29115/67. Heading F1B. In an engine having a hot spot 28 Fig. 1 in the induction manifold heated by exhaust gases supplied to chamber 26, some of which gases are fed through passage 46 into the induction manifold, and having air fed through pipes 32...38 Fig.2 into the exhaust outlets, the pipe 34 feeding air to the exhaust outlet associated with the hot spot chamber 26 is blocked or eliminated to prevent air being mixed with the exhaust gas fed into the induction manifold. In the V-8 engine shown exhaust gases are supplied from each exhaust system to the chamber 26. The amount of exhaust gas fed into the induction manifold is controlled by a valve 54 connected mechanically to the carburetter throttle spindle 56 or actuated by a diaphragm responsive to intake manifold or Venturi suction. In Fig.2 a valve 30, provided in one exhaust manifold to cause a pressure difference between the manifolds of the two banks of cylinders, is preferably locked in open position.
Patent GB-534092-A (GB)
Title: Improvements in liquid meters, pumps and the like
IPC: G01F15/00
Filed: 1939-11-01
Abstract: 534,092. Piston - and - cylinder apparatus. AVERY-HARDOLL, Ltd., and GILPIN, W. R. Nov. 1, 1939, No. 29121. [Class 122 (i)] In liquid meters, pumps, and like piston-andcylinder apparatus, the wall of the cylinder or its liner is coated or surfaced with a soft bearing metal, whilst the piston is coated or surfaced with chromium, nickel-chromium, or other hard metal.
Patent GB-939993-A (GB)
Title: Ice cream and like freezers
IPC: A23G9/12
Filed: 1962-07-30
Abstract: 939,993. Ice cream and like freezers. E. ARBOGAST, and P. PILKIEWITZ. July 30. 1962 [Aug. 8, 1961], No. 29136/62. Class 29. Agitators 19, 22 in the container 1 of a freezer suitable for a conventional refrigerator are driven by a motor 6 through coaxial, rigidly - connected gears 14, 15 mounted on a common spindle 13. The spindle 13 is mounted on a plate 11 which is arranged by means of an attached sleeve 12 to pivot about the motor axis, the plate normally being held against a fixed stop 23 by a spring-pressed catch 24. As the contents of the container, e.g. ice cream, thicken, the resistance to rotation of the agitators increases causing the plate to be displaced progressively till at a predetermined setting a switch 26 is operated disconnecting the motor electrically thus protecting it from damage due to overload. The parts of the freezer are preferably made of a synthetic, electrically-insulating material.
Patent GB-203568-A (GB)
Title: Improvements relating to spring mattresses
IPC: A47C23/28
Filed: 1922-10-26
Abstract: 203,568. Hooley, W. Oct 26, 1922. Drawings to Specification. Mattresses.-In order to prevent damage to the spring surface by the tightening screws of a spring mattress, a protector is fitted on to the exposed end of the screw. This comprises a tube of compressed paper surrounded by canvassed rubber tubing and provided with brass end-pieces one of which is open at the end to admit the bedscrew which cuts a screw-thread in the paper tube.
Patent GB-728505-A (GB)
Title: Improvements relating to the catalytic desulphurisation of cracked naphthas
IPC: C10G45/50
Filed: 1951-12-13
Abstract: In a process for the catalytic desulphurization of cracked naphthas the cracked naphthas are passed in admixture with hydrogen at a temperature of approximately 780 DEG  F. and a pressure in the range of 50-100 lb./sq. in. over a catalyst of the cobalt molybdate type. The catalyst may be the combined oxides of cobalt and molybdenum distended upon alumina, and preferably contain in addition fluorine as described in Specification 719,627.  The cracked naphtha may be fed to the reaction zone in the vapour phase at a space velocity of 1.0 v./v./hr. of liquid feedstock, in admixture with 4000 SCF/B of hydrogen, and at a pressure of 75 p.s.i. ga.  The hydrogen-containing gases separated from the treated naphtha may be recycled.  The product may be continuously soda and water washed, and may also be steam distilled to reduce gum content.  The product may be treated with inhibitor known as Dupont 22.  Specifications 701,217 and 719,640 also are referred to.
Patent GB-1513864-A (GB)
Title: Rotary piston positive displacement fluid machines
IPC: F01C1/24
Filed: 1974-07-02
Abstract: 1513864 Rotary positive-displacement fluid-machines COMPAIR INDUSTRIAL Ltd E J POOLE and S J MORRIS 20 June 1975 [2 July 1974] 29271/74 Heading F1F A rotary positive-displacement machine of the type having a main rotor 10 and auxiliary rotors 11, 12 comprises extensions 14 at each end of each auxiliary rotor 11, 12, each extension 14 being provided with an axially extending recess 15 which periodically inter-connects a transfer port 17 in a respective main rotor end wall 16 with a discharge port 18, and both ports 17, 18 leading into the bore accommodating the respective extension. The inlet porting is claimed in co-pending application No 29291/74 having an identical disclosure to the present Specification.
Patent GB-761018-A (GB)
Title: Process for recovering hydrazine
Inventor: HESSERT FREDERICK VON
IPC: C01B21/16
Filed: 1954-10-11
Abstract: Hydrazine together with water vapour is flashed off by passing an aqueous solution of hydrazine into a hot aqueous solution of an alkali metal hydroxide, e.g. sodium hydroxide at a temperature of 125 DEG  - 170 DEG C. preferably 125 - 150 DEG C.  The concentration of the alkali solution may be 30-50 per cent.  The temperature of the alkali solution may be maintained by recycling a portion through a heat exchanger.  Salts precipitated during the reaction may be removed continuously or intermittently by filtration, centrifugation or sedimentation.  They may be allowed to settle on a double bottom separator screen, removed and freed from residual alkali solution by blowing with air or by centrifugation, the alkali solution recovered being returned to the process. The hydrazine solution may be obtained by the interaction of sodium hypochlorite and urea containing, e.g. 50 parts water, 10 parts sodium hydroxide, 20 parts sodium carbonate, 30 parts sodium chloride, and 1-4 parts hydrazine.  It may alternatively be obtained by the interaction of sodium hypochlorite and ammonia containing, e.g. 60-75 parts water, 15-25 parts sodium chloride, 1-2 parts sodium hydroxide, and 1/2 -2 parts hydrazine. The hydrazine produced by the invention is further concentrated by rectification in known manner.
Patent GB-1395254-A (GB)
Title: Process for the dehydrogenation of alkanes
IPC: C07C5/333
Filed: 1972-06-22
Abstract: 1395254 Dehydrogenating alkanes SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 22 June 1972 [24 June 1971] 29338/72 Heading C5E Mono-alkenes are prepared by dehydrogenating alkanes at an elevated temperature with a catalyst comprising a platinum group noble metal supported on molecular sieve of pore size at most 7Š and having a lithium content of 0À01-1À5 wt. per cent. The dehydrogenation may be carried out at 400-650‹ C. and 0À1-3 atmospheres, preferably in the presence of H 2 . The feed may be one or more C 6 -C 16  alkanes. The catalyst may be a lithiated synthetic mordenite of pore size up to 5Š containing impregnated Pt in amount 0À05-2% by wt.
Patent GB-1318484-A (GB)
Title: Floating harbour
IPC: B63B35/44
Filed: 1971-06-23
Abstract: 1318484 Floating harbours HOYER-ELLEFSEN AS 23 June 1971 [23 June 1970] 29443/71 Heading E1H A U-shaped offshore floating harbour 1 of reinforced concrete or steel incorporates oil or gas storage tanks in its hull. Additional ballast tanks may be provided. The harbour may be moored to a stone filled concrete caisson (Fig. 3 not shown) by a pipe line leading to the storage tanks, in such a way that the harbour can swing through 360‹. Fur ther anchors and/or propulsion means may help stabilise its position. The hull may be continuous or the leg portions may be divided into two or more inter-connected portions.
Patent GB-958065-A (GB)
Title: Trim assembly
IPC: B60J10/00
Filed: 1961-08-15
Abstract: 958,065. Clip fastenings. UNITED-CARR FASTENER CORPORATION. Aug. 15, 1961 [Aug. 18, 1960], No. 29454/61. Heading E2B. A trim assembly adapted to be secured to a support particularly a welded flange joint in a motor vehicle comprises an elongated flexible head 10, a series of clips 14 secured to the head and a cover 12 of a flexible material. Each clip 14 has a portion 20 upturned from its web and having a projecting leg 28 which, when the clip is pushed into position with the part 20 cutting into the cover, engages the head as shown. In an alternative arrangement (Fig. 6) each clip has two upturned members 20 in the form of spring clips to make a snap engagement with the head. In a modification (Fig. 12) the head is formed from a flat strip 10b and each clip is secured thereto by crimping as at 37b. Each clip has a pair of opposed arms 38b, 40b extending inwardly from the side portions and the entire head and clips assembly has a cover 12b moulded or extended therearound. Alternative ways of securing the clips to the head in this latter arrangement consist in forming arms from the head which are bent under the web of the clip and in forming the web 10d (Fig. 18) with outwardly projecting parts 52d which are compressed after the clip is placed in position to extend over the web of the clip.
Patent GB-882281-A (GB)
Title: Laundry apparatus
IPC: D06F37/36
Filed: 1960-08-26
Abstract: 882,281. Washing-machines. WESTING- HOUSE ELECTRIC CORPORATION. Aug. 26, 1960 [Sept. 2, 1959], No. 29479/60. Class 138 (2). [Also in Group XXIV] The drum 13 of a horizontal rotary drumtype washing-machine is driven by means of an elliptically-shaped sheave 15 so that its speed of rotation increases and decreases twice during each revolution. The geometric centre of the sheave may coincide with or be offset relative to a shaft 14 on which the drum 13 is mounted, the latter arrangement producing two different maximum speeds in each revolution. The sheave 15 is belt driven by a pulley 27 mounted on a member 31 which is slidable in a grooved track 32 and biased away from the sheave 15 by a spring 33. Pulley 27 is fixed to a wheel 28, belt driven by a motor 37. The varying drum speed helps to open out the bundle of clothes and this is furthered by having non-symmetrically spaced vanes 41. Alternatively the vanes may be of different heights.
Patent GB-1476124-A (GB)
Title: Fused-ring benzoxadiazepine and benzoxadiazocine derivatives
IPC: C07D498/04
Filed: 1974-07-03
Abstract: 1476124 Pyrimidino - benzoxadiazepine and -benzoxadiazocine compounds and intermediates therefor E R SQUIBB & SONS Inc 3 July 1974 [26 July 1973] 29533/74 Heading C2C Novel pyrimidinobenzoxadiazepine or pyrimidinobenzoxadiazocine compounds of the Formula I wherein m is 1 or 2, n is 0 or 1, R<SP>11</SP> is a hydrogen atom or a C 1-4  alkyl group, R is a hydrogen, fluorine, chlorine or bromine atom or a C 1-4  alkyl, benzyl, phenyl or monosubstituted phenyl group, the substituent being halogen, C 1-4  alkyl, C 1-4  alkoxy or trifluoromethyl, and R<SP>1</SP> is a hydrogen or halogen atom or a C 1-4  alkyl, C 1-4  alkylsulphonyl, di(C 1-4  alkyl)sulphamoyl or trifluoromethyl group, provided that when m is 1, R occupies either position-4- or -5 of the pyrimidine ring, but when R is halogen it occupies only position-5 and when m is 2 the two R's occupy the 4- and 5- positions of the pyrimidine ring, but only one of the R's can be halogen and it must occupy the 5-position, are obtained by cyclizing compounds of the Formula IV or V in which X is a chlorine or bromine atom. Compounds of the Formula IV above may be obtained by reacting appropriate 2-aminopyrimidines with appropriate haloalkyl obromophenyl ethers. Compounds of the Formula V above may be obtained by treating compounds of the Formula IV with a water-miscible alcohol and an alkalimetal C 1-3  alkoxide. o-Bromo-α-chloroanisole may be obtained by reacting sodium bromomethane sulphonate with o-bromophenol and chlorinating the (o-bromophenoxy)methanesulphonic acid, sodium salt so obtained. 2 - Bromo - 5 - chlorophenyl chlorophenyl ether may be obtained analogously via 2- bromo-5-chlorophenoxymethane sulphonic acid, sodium salt. 2-Chloropropyl o bromophenyl ether may be obtained by reacting 1-bromo 2- chloropropane with o-bromophenol. Sodium bromomethane sulphonate may be obtained by reacting dibromomethane with sodium sulphite. Pharmaceutical compositions comprise compounds of Formula I as active ingredients.
Patent GB-1195176-A (GB)
Title: Windscreen Wiper and Washer Systems.
IPC: B60S1/48
Filed: 1968-05-30
Abstract: 1,195,176. Windscreen wipers. GENERAL MOTORS CORP. 30 May, 1968 [16 June, 1967], No. 25935/68. Heading A4F. [Also in Division B2] In a windscreen wiper and washer system comprising a nozzle 22 mounted on an oscillatory wiper arm 10 and arranged to be supplied with washing liquid by way of a conduit (26) (Fig. 7, not shown) carried by the arm 10, the nozzle 22 is provided with a plurality of apertures which are of different sizes and which are so located that predetermined portions of the liquid supplied to the nozzle 22 are delivered by the apertures to predetermined areas A, B, C, D of the windscreen 14. As shown, two nozzles 22 each mounted on an arm 10 which supports a blade 12 are connected by conduits (26), 20, 44 to a pump 16 which is operated by a wiper motor 18, the pump 16 being connected by a conduit 42 to a washing liquid reservoir 40. Each nozzle 22 is screw threaded on its associated arm 10 into a chamber (24) (Fig. 7, not shown) arranged at the outlet of the conduit (26) which is connected to the conduits 20 and each nozzle 22 is provided with four outlet apertures (32, 34, 36, 38) (Figs. 5 and 6, not shown) which supply liquid to four zones A, B, C, D respectively of the windscreen 14.
Patent GB-747355-A (GB)
Title: Improvements in or relating to apparatus for carrying out plucking, stubbing and like operations
IPC: A22C21/02
Filed: 1953-10-26
Abstract: 747,355. Plucking poultry. BUDD, A. G. Oct. 26, 1954 [Oct. 26, 1953], No. 29541/53. Class 28(2). Poultry is plucked by gripping the feathers between a rotating blade 38, Fig. 4, and a rotating and oscillating gripping thumb 48, the thumb accelerating to the speed of the blade 38 just before gripping. This is obtained by virtue of the previous compression of a resilient block 49 with an additional optional spring 93, Fig. 10, (not shown) and by a further block 69, Fig. 5. The blade 38 rotates on a drive shaft 40 when a cone clutch 41 is tightened by a screw 44. A bird is presented to the slot 32, Fig. 1, where the suction of a fan 3 draws in the feathers which are gripped and retracted as above. The feathers are filtered by a baffle 10 and pass out at 29 where they may be bagged. The gripper shaft 40 is driven by a pulley 20. A rotary brush 26 cleans the grippers. The mechanism is rotated by belt from a motor 5 overhung and pivoted at 12 to keep the belts tight with overload slip. An adjustable counterweight 24 pivoted at 23 keeps tight the belts 14 and 18, the countershaft floating on swing links 21. A hinged door 2 permits withdrawal of waste material. The bird is pushed by hand to a slot 32, Fig. 1, the width of which can be varied by adjusting one of the plates 34, Fig. 2 (not shown). A ring cam 63 on the rotating parts 38, 39 bearing against a roller 64 swings the thumb 48 about 47 whereby a slip 65.on cam 63 effects the grip and first part of the plucking. Owing to the relative eccentric disposition of the blade 38 the thumb 48 later swings away to release the plucked feathers. The roller 64 follows the remainder of the ring cam 63 by the pull of a rubber band 59, Fig. 5. The thumb may also be mechanically accelerated towards the gripping blade 38 by a cam 67, Fig. 5, pressing an impulse arm. 66 against a resilient pad 68 whereby on release of pad 68 a gripping kick is given to the thumb 48. In a modification, Figs. 9 and 11 (not shown) the thumb grip is positively and also spring moved towards the co-operating gripper plate. The spring allows for any hard matter gripped between the blades. Specification 478,081, [Group IV] is referred to.
Patent GB-305266-A (GB)
Title: Improvements in or relating to vehicle wheels
IPC: B60B1/02
Filed: 1927-11-04
Abstract: 305,266. Pugh, J. V. Nov. 4, 1927. Suspension-spoke wheels. - Two sets of wire spokes c, d are connected to a channel-section ring a<1> forming a brake-drum and on which a detachable rim e is directly secured. The rim e is provided with driving-lugs e<4> to fit taper-slots a<5> in the edge of the ring a<1> and is secured by bolts f and plates g. The inner spokes d are less coned, and more highly-tensioned, than the outer spokes c.
Patent GB-159328-A (GB)
Title: Improvements in connectors for pumps for inflating tyres and the like
IPC: B60C29/06
Filed: 1919-11-27
Abstract: 159,328. Hirst, T. E. C. Nov. 27, 1919. No Patent granted (Sealing fee not paid). Stuffing-box joints.- In a coupling for connecting an inflation pump to a tyre nozzle e of the type in which a tubular packing d is compressed longitudinally between two metal cylinders a, b, these cylinders are formed with grooves a<1>, b<1> in which a spiral c fits. The groove a<1> is preferablv of one revolution and b<1> of two revolutions. The' spiral spring c is of three-quarters of a revolution in length, and the ends a<2>, a<3>, Fig. 1, of the groove a<1>form stops which limit the movements of the two metal cylinders and prevent them coming apart unintentionally. When the cylinder a is turned to release the pressure the end of the spring c comes into contact with the side of a perforation b<2> in the cylinder b, Fig. 1. If the spring be pressed downward into the groove by inserting a toggle lever into the perforation b<2>, the cylinders a, b can be drawn apart.
Patent GB-763210-A (GB)
Title: Substituted phenanthrene compounds
IPC: C07D317/72
Filed: 1952-12-19
Abstract: The invention comprises a dodecahydrophenanthrene of the formula <FORM:0763210/IV(b)/1> wherein the 7-position is substituted by a bivalent group convertible to keto by acid hydrolysis or a pair of univalent groups convertible to a single keto group by acid hydrolysis, and a decahydrophenanthrene of the formula <FORM:0763210/IV(b)/2> wherein the 7-position is substituted by a univalent group convertible to keto by acid hydrolysis.  Examples of bivalent groups are cyclic ketal and cyclic thioketal groups such as ethylenedioxy, ethylene dithioketal and ethylene hemithioketal groups, examples of pairs of univalent groups are the non-cyclic ketals such as dimethyl ketal, and examples of univalent groups are the enol ether groups such as ethyl enol ether.  The above compounds are prepared by the oxidation of the corresponding 1,4-dihydroxy-compounds by means of aluminium alkoxide and a ketone or by means of a complex of chromium trioxide and pyridine. In the examples two stereoisomers of 4b-methyl-1-keto-4 - hydroxy - 7 - ethylenedioxy - 1,2,3,4,4a,4b, 5,6,7,8,10,10a - dodecahydrophenanthrene are prepared melting points of 219-220 DEG C. and 130-138 DEG  C.  Specifications 763,207 and 763,208 are referred to.
Patent GB-686374-A (GB)
Title: Process and apparatus for manufacturing thermoplastic sheet material
IPC: D06N7/00
Filed: 1948-11-15
Abstract: A composition that is to be formed into sheets comprises: (a) Polyvinyl chloride or acetate or butyral, or copolymer of vinyl chloride and vinyl acetate, e.g. a copolymer prepared from 93-95 per cent vinyl chloride and the balance vinyl acetate, having an average molecular weight of 24000 (Staudinger), a specific gravity of 1.34-1.37 and a softening-point of about 150 DEG  F. (b) A plasticizer, such as tricresyl phosphate, dioctyl or dicapryl or dibutoxyglycol or dibutoxyethyl phthalate, dibutyl sebacate, polyethyleneglycol di-2-ethyl hexoate, or triethyleneglycol di-2-ethyl hexoate.  (c) Pigments or fillers, such as "Asbestine," barytes, calcium carbonate or sulphate, clay, dolomite, mica, silica, slate flour, serpentine, talc, chrome green, chrome yellow, carbon black, titanium dioxide.  (d) Dyes (unspecified) miscible or immiscible with the resin.  (e) Fibres, such as asbestos, cork, wood flour, cellulose fibres in general, animal fibres such as leather. (f) Lubricants such as stearic acid, metallic stearates.  (g) Stabilizers such as basic lead carbonate, silicate or stearate.  The proportions may be (by weight) 16-38 polymer, 7-18 plasticizer, 50-75 filler, or 23 polymer, 12 plasticizer, 65 filler.  The whole is mixed at 325-375 DEG  F.  Specification 681,803 is referred to.